diff --git a/bytesconv.go b/bytesconv.go
index d9e8c6b..c430a80 100644
--- a/bytesconv.go
+++ b/bytesconv.go
@@ -142,7 +142,7 @@ func ParseUfloat(buf []byte) (float64, error) {
 	}
 	b := buf
 	var v uint64
-	var offset float64 = 1.0
+	var offset = 1.0
 	var pointFound bool
 	for i, c := range b {
 		if c < '0' || c > '9' {
diff --git a/client_test.go b/client_test.go
index 83612d4..c9aefc3 100644
--- a/client_test.go
+++ b/client_test.go
@@ -397,7 +397,7 @@ type readErrorConn struct {
 }
 
 func (r *readErrorConn) Read(p []byte) (int, error) {
-	return 0, fmt.Errorf("error!!!")
+	return 0, fmt.Errorf("error")
 }
 
 func (r *readErrorConn) Write(p []byte) (int, error) {
diff --git a/compress.go b/compress.go
index 1da5132..bf2cf70 100644
--- a/compress.go
+++ b/compress.go
@@ -123,7 +123,7 @@ func AppendGzipBytesLevel(dst, src []byte, level int) []byte {
 	return w.b
 }
 
-// WriteGzip writes gzipped p to w using the given compression level
+// WriteGzipLevel writes gzipped p to w using the given compression level
 // and returns the number of compressed bytes written to w.
 //
 // Supported compression levels are:
@@ -139,7 +139,7 @@ func WriteGzipLevel(w io.Writer, p []byte, level int) (int, error) {
 	return n, err
 }
 
-// WriteGzipLevel writes gzipped p to w and returns the number of compressed
+// WriteGzip writes gzipped p to w and returns the number of compressed
 // bytes written to w.
 func WriteGzip(w io.Writer, p []byte) (int, error) {
 	return WriteGzipLevel(w, p, CompressDefaultCompression)
diff --git a/cookie.go b/cookie.go
index e0ada00..9eb3587 100644
--- a/cookie.go
+++ b/cookie.go
@@ -73,7 +73,7 @@ func (c *Cookie) SetDomain(domain string) {
 	c.domain = append(c.domain[:0], domain...)
 }
 
-// SetDomain
+// SetDomainBytes sets cookie domain.
 func (c *Cookie) SetDomainBytes(domain []byte) {
 	c.domain = append(c.domain[:0], domain...)
 }
diff --git a/header.go b/header.go
index d4a516e..ce4745a 100644
--- a/header.go
+++ b/header.go
@@ -454,7 +454,7 @@ func (h *RequestHeader) SetMethod(method string) {
 	h.method = append(h.method, method...)
 }
 
-// SetMethod sets HTTP request method.
+// SetMethodBytes sets HTTP request method.
 func (h *RequestHeader) SetMethodBytes(method []byte) {
 	h.method = append(h.method[:0], method...)
 }
@@ -475,7 +475,7 @@ func (h *RequestHeader) SetRequestURI(requestURI string) {
 	h.requestURI = append(h.requestURI[:0], requestURI...)
 }
 
-// SetRequestURI sets RequestURI for the first HTTP request line.
+// SetRequestURIBytes sets RequestURI for the first HTTP request line.
 // RequestURI must be properly encoded.
 // Use URI.RequestURI for constructing proper RequestURI if unsure.
 func (h *RequestHeader) SetRequestURIBytes(requestURI []byte) {
@@ -1347,7 +1347,7 @@ func (h *RequestHeader) parseFirstLine(buf []byte) (int, error) {
 		h.noHTTP11 = true
 		n = len(b)
 	} else if n == 0 {
-		return 0, fmt.Errorf("RequestURI cannot be empty in %q", buf)
+		return 0, fmt.Errorf("requestURI cannot be empty in %q", buf)
 	} else if !bytes.Equal(b[n+1:], strHTTP11) {
 		h.noHTTP11 = true
 	}
@@ -1574,7 +1574,7 @@ func parseContentLength(b []byte) (int, error) {
 		return -1, err
 	}
 	if n != len(b) {
-		return -1, fmt.Errorf("Non-numeric chars at the end of Content-Length")
+		return -1, fmt.Errorf("non-numeric chars at the end of Content-Length")
 	}
 	return v, nil
 }
diff --git a/http.go b/http.go
index 0895cfa..7480cef 100644
--- a/http.go
+++ b/http.go
@@ -688,7 +688,7 @@ func (resp *Response) mustSkipBody() bool {
 	return resp.SkipBody || resp.Header.mustSkipContentLength()
 }
 
-var errRequestHostRequired = errors.New("Missing required Host header in request")
+var errRequestHostRequired = errors.New("missing required Host header in request")
 
 // Write writes request to w.
 //
@@ -724,7 +724,7 @@ func (req *Request) Write(w *bufio.Writer) error {
 	if hasBody {
 		_, err = w.Write(body)
 	} else if len(body) > 0 {
-		return fmt.Errorf("Non-zero body for non-POST request. body=%q", body)
+		return fmt.Errorf("non-zero body for non-POST request. body=%q", body)
 	}
 	return err
 }
diff --git a/server.go b/server.go
index 9f8c44e..0e8106e 100644
--- a/server.go
+++ b/server.go
@@ -231,7 +231,7 @@ func TimeoutHandler(h RequestHandler, timeout time.Duration, msg string) Request
 	}
 }
 
-// CompressHandlerLevel returns RequestHandler that transparently compresses
+// CompressHandler returns RequestHandler that transparently compresses
 // response body generated by h if the request contains 'gzip' or 'deflate'
 // 'Accept-Encoding' header.
 func CompressHandler(h RequestHandler) RequestHandler {
@@ -756,7 +756,8 @@ func (ctx *RequestCtx) Redirect(uri string, statusCode int) {
 	ctx.redirect(u.FullURI(), statusCode)
 }
 
-// Redirect sets 'Location: uri' response header and sets the given statusCode.
+// RedirectBytes sets 'Location: uri' response header and sets
+// the given statusCode.
 //
 // statusCode must have one of the following values:
 //
@@ -1145,7 +1146,7 @@ var (
 
 	// ErrKeepaliveTimeout is returned from ServeConn
 	// if the connection lifetime exceeds MaxKeepaliveDuration.
-	ErrKeepaliveTimeout = errors.New("MaxKeepaliveDuration exceeded")
+	ErrKeepaliveTimeout = errors.New("exceeded MaxKeepaliveDuration")
 )
 
 // ServeConn serves HTTP requests from the given connection.
diff --git a/uri.go b/uri.go
index a59a910..32dcf65 100644
--- a/uri.go
+++ b/uri.go
@@ -132,7 +132,7 @@ func (x *URI) SetScheme(scheme string) {
 	lowercaseBytes(x.scheme)
 }
 
-// SetScheme sets URI scheme, i.e. http, https, ftp, etc.
+// SetSchemeBytes sets URI scheme, i.e. http, https, ftp, etc.
 func (x *URI) SetSchemeBytes(scheme []byte) {
 	x.scheme = append(x.scheme[:0], scheme...)
 	lowercaseBytes(x.scheme)
@@ -196,7 +196,7 @@ func (x *URI) parse(host, uri []byte, h *RequestHeader) {
 	x.Reset()
 	x.h = h
 
-	scheme, host, uri := splitHostUri(host, uri)
+	scheme, host, uri := splitHostURI(host, uri)
 	x.scheme = append(x.scheme, scheme...)
 	lowercaseBytes(x.scheme)
 	x.host = append(x.host, host...)
@@ -419,7 +419,7 @@ func (x *URI) String() string {
 	return string(x.FullURI())
 }
 
-func splitHostUri(host, uri []byte) ([]byte, []byte, []byte) {
+func splitHostURI(host, uri []byte) ([]byte, []byte, []byte) {
 	n := bytes.Index(uri, strColonSlashSlash)
 	if n < 0 {
 		return strHTTP, host, uri
@@ -437,7 +437,7 @@ func splitHostUri(host, uri []byte) ([]byte, []byte, []byte) {
 	return scheme, uri[:n], uri[n:]
 }
 
-// Returns query args.
+// QueryArgs returns query args.
 func (x *URI) QueryArgs() *Args {
 	x.parseQueryArgs()
 	return &x.queryArgs